144301457 has 12 divisors (see below), whose sum is σ = 156197916. Its totient is φ = 133236480.

The previous prime is 144301429. The next prime is 144301459. The reversal of 144301457 is 754103441.

It is a happy number.

144301457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 14318656 + 129982801 = 3784^2 + 11401^2 .

It is not a de Polignac number, because 144301457 - 2¹⁴ = 144285073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144301459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10607 + ... + 20027.

It is an arithmetic number, because the mean of its divisors is an integer number (13016493).

Almost surely, 2^144301457 is an apocalyptic number.

144301457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

144301457 is a deficient number, since it is larger than the sum of its proper divisors (11896459).

144301457 is an equidigital number, since it uses as much as digits as its factorization.

144301457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9508 (or 9491 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 144301457 is about 12012.5541413972. The cubic root of 144301457 is about 524.5137835523.

Adding to 144301457 its reverse (754103441), we get a palindrome (898404898).

The spelling of 144301457 in words is "one hundred forty-four million, three hundred one thousand, four hundred fifty-seven".